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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009040359784 1,230 digits created 2026-08-02

Value

448344418328974341590673340461208913558624792887627229138207413566171342830027253369801707547370644836302503008964719411283612815465413584204076993224235073631937612423959634843200471747298642292363646181322036506484116545132915009883946924952169070072303777404254262084839054911200931823194925512885182399255586327387460064599471268802659568942808211103916868082679133454731305258801344197113035808783900227619418691357217887611193596840826311672604275764264654001308193678168745831292269655447336450324857538620724409428887792319560027281891601808756606335394613027159413518678190653935295367342048116112831416587503914594151814274589543454315853356210358708875805950157665936128910028426403280466348950885407624406098824742049762037296269232301371178544635384357144488190993870566310429623551476740015981163446211831259001176773665317273217276955877045091590313488483581297399873839475185272610643335515904433987792719964523244357072207297010496661465235269948962786085390398706428931827378836616182713530612842225902371019883247123007291612247894473944837976961322697436277304489029898947644109222277556160527562680783457479839833892847036675047263486189322808886678571891202781566601769094381533258829586574530708781659720043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 1,264-digit prime (114 intermediate primes).

Certified number1,264-digit prime
Certificatedownload
Certificate chainshow step 5 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040359784 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009040359784},"decimal":true,"detail":2}}'